runtime/objc-auto.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 2004 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  *      objc-auto.h
  27  *      Copyright 2004 Apple Computer, Inc.
  28  */
  29
  30 #ifndef _OBJC_AUTO_H_
  31 #define _OBJC_AUTO_H_
  32
  33 #import <objc/objc.h>
  34 #include <sys/types.h>
  35
  36 /* Collection utilities */
  37
  38 enum {
  39     OBJC_GENERATIONAL = (1 << 0)
  40 };
  41
  42 OBJC_EXPORT void objc_collect_if_needed(unsigned long options);
  43 OBJC_EXPORT unsigned int objc_numberAllocated(void);
  44 OBJC_EXPORT BOOL objc_collecting_enabled(void);
  45
  46 /* Memory management */
  47 OBJC_EXPORT id objc_allocate_object(Class cls, int extra);
  48
  49 /* Write barriers */
  50 OBJC_EXPORT id objc_assign_strongCast(id val, id *dest);
  51 OBJC_EXPORT id objc_assign_global(id val, id *dest);
  52 OBJC_EXPORT id objc_assign_ivar(id value, id dest, unsigned int offset);
  53 OBJC_EXPORT void *objc_memmove_collectable(void *dst, const void *src, size_t size);
  54
  55 /* Testing tools */
  56 OBJC_EXPORT BOOL objc_is_finalized(void *ptr);
  57
  58
  59 #endif